When it’s 110 degrees in Riyadh, the Gulf crowd flocks to L.A. A field guide to the hot spots.

It’s August, and the jet-setting Gulf crowd has taken over L.A., spending like only they can. Driveways at the Montage Beverly Hills, Beverly Wilshire and Hotel Bel-Air are overflowing with Ferraris with Arabic plates, flown over to drive during the summer sojourn. Tea houses and coffee shops, such as Urth Caffé and Nespresso in Beverly Hills, are packed into the evening. And boutiques on Rodeo Drive are in overdrive.